001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.camel.component.ref; 018 019 import java.util.Map; 020 021 import org.apache.camel.Endpoint; 022 import org.apache.camel.impl.DefaultComponent; 023 import org.apache.camel.util.CamelContextHelper; 024 025 /** 026 * Component for lookup of existing endpoints bound in the {@link org.apache.camel.spi.Registry}. 027 * <p/> 028 * This component uses the <tt>ref:</tt> notation instead of the mostly common <tt>uri:</tt> notation. 029 */ 030 public class RefComponent extends DefaultComponent { 031 032 protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception { 033 // first remove the scheme from the URI 034 int index = uri.indexOf(':'); 035 String name = uri; 036 if (index >= 0) { 037 name = uri.substring(index + 1); 038 } 039 if (name.startsWith("//")) { 040 name = name.substring(2); 041 } 042 return lookupEndpoint(name, parameters); 043 } 044 045 /** 046 * Looks up a mandatory endpoint for a given name. 047 * <p/> 048 * Derived classes could use this name as a logical name and look it up on some registry. 049 * <p/> 050 * The default implementation will do a mandatory look up the name in the {@link org.apache.camel.spi.Registry}. 051 * 052 * @throws org.apache.camel.NoSuchBeanException if not found in the {@link org.apache.camel.spi.Registry} 053 */ 054 protected Endpoint lookupEndpoint(String name, Map<String, Object> parameters) { 055 return CamelContextHelper.mandatoryLookup(getCamelContext(), name, Endpoint.class); 056 } 057 }